This document analyzes the initial base year (2016) model output for the TRMG2 against the TRMv6.2. Note: The TRMG2 2016 base year will be updated to the 2020 upon delivery. Additionally, the TRMG2 model includes the expansion into Alamance and Johnston Counties, hence county level totals may deviate from totals in TRMv6.2. Overall, VMT and total trips are nearly identical. Summaries by VMT, volume and facility type are found below.
Volume - Total Daily Flow
MPO
TRMv6.2 Total Volume by MPO
|
MPO_Tag
|
Total_Volume
|
Total_Counts
|
Count
|
PctDiff
|
|
CAMPO
|
31804488
|
33161360
|
2322
|
-0.0426629
|
|
DCHC
|
15768182
|
16117220
|
1140
|
-0.0221356
|
|
None
|
4956044
|
4885010
|
918
|
0.0143327
|
|
Total
|
52528714
|
54163590
|
4380
|
-0.0311235
|
TRMG2 Total Volume by MPO
|
MPO_Tag
|
Total_Volume
|
Total_Counts
|
Count
|
PctDiff
|
|
CAMPO
|
33974991
|
33307230
|
2367
|
0.0196545
|
|
DCHC
|
16686192
|
16299307
|
1166
|
0.0231860
|
|
None
|
5455538
|
5949920
|
1047
|
-0.0906203
|
|
Total
|
56116721
|
55556457
|
4580
|
0.0099839
|
County
TRMv6.2 Total Volume by County
|
COUNTY
|
Total_Volume
|
Total_Counts
|
Count
|
PctDiff
|
|
alamance
|
0.0
|
0
|
0
|
NaN
|
|
chatham
|
845870.5
|
800100
|
142
|
0.0541105
|
|
durham
|
12016012.0
|
12616470
|
809
|
-0.0499715
|
|
franklin
|
979763.4
|
1091880
|
225
|
-0.1144323
|
|
granville
|
674119.0
|
673990
|
138
|
0.0001914
|
|
harnett
|
728257.7
|
593780
|
144
|
0.1846567
|
|
johnston
|
3509072.8
|
3440690
|
440
|
0.0194874
|
|
nash
|
124308.5
|
110000
|
29
|
0.1151050
|
|
orange
|
4007723.6
|
3709140
|
421
|
0.0745020
|
|
person
|
644518.2
|
820930
|
186
|
-0.2737112
|
|
wake
|
28884130.1
|
30195530
|
1808
|
-0.0454021
|
|
Total
|
52413775.8
|
54052510
|
4342
|
-0.0312653
|
TRMG2 Total Volume by County
|
County
|
Total_Volume
|
Total_Counts
|
Count
|
PctDiff
|
|
alamance
|
875218.15
|
918000
|
61
|
-0.0488814
|
|
chatham
|
912262.99
|
830880
|
145
|
0.0892100
|
|
durham
|
12969703.99
|
12761537
|
828
|
0.0160503
|
|
franklin
|
1020690.38
|
1052190
|
221
|
-0.0308611
|
|
granville
|
628106.70
|
702670
|
134
|
-0.1187112
|
|
harnett
|
652223.98
|
585480
|
140
|
0.1023329
|
|
johnston
|
3436414.09
|
3686610
|
505
|
-0.0728073
|
|
nash
|
66200.31
|
58670
|
30
|
0.1137504
|
|
orange
|
3925944.75
|
3705250
|
447
|
0.0562144
|
|
person
|
527404.48
|
825020
|
191
|
-0.5643022
|
|
wake
|
31020631.33
|
30336900
|
1846
|
0.0220412
|
|
Total
|
56034801.14
|
55463207
|
4548
|
0.0102007
|
FC_Group
TRMv6.2 Total Volume by Facility
|
FCGROUP_Tag
|
Total_Volume
|
Total_Counts
|
Count
|
PctDiff
|
|
Local
|
4735796
|
4655830
|
1130
|
0.0168854
|
|
Collector
|
6441994
|
6623550
|
1084
|
-0.0281832
|
|
Minor Arterial
|
13151478
|
13397660
|
1015
|
-0.0187189
|
|
Major Arterial
|
13835061
|
15284820
|
763
|
-0.1047888
|
|
Freeway
|
14257957
|
14084500
|
349
|
0.0121656
|
|
Total
|
52422286
|
54046360
|
4341
|
-0.0309806
|
TRMG2 Total Volume by Facility
|
HCMType
|
Total_Volume
|
Total_Counts
|
Count
|
PctDiff
|
|
TLHighway
|
814139.5
|
716100
|
79
|
0.1204210
|
|
Local
|
1217696.3
|
1164780
|
453
|
0.0434561
|
|
MajorCollector
|
1300728.7
|
1364260
|
274
|
-0.0488428
|
|
MLHighway
|
2394673.5
|
2297000
|
115
|
0.0407878
|
|
Collector
|
2644544.0
|
2879440
|
820
|
-0.0888229
|
|
Arterial
|
13139758.1
|
13604123
|
1601
|
-0.0353404
|
|
Freeway
|
14787505.0
|
14060257
|
359
|
0.0491799
|
|
MajorArterial
|
19678396.5
|
19331197
|
876
|
0.0176437
|
|
Total
|
55977441.5
|
55417157
|
4577
|
0.0100091
|
Cutline/Screenlines
TRMG2 Screenlines:

TRMv6.2 Total Volume by Screenline
|
SL_Tag
|
Total_Volume
|
Total_Counts
|
Count
|
PctDiff
|
|
I-40
|
1366435.5
|
1364840
|
76
|
0.0011676
|
|
I-85
|
373408.4
|
397900
|
37
|
-0.0655894
|
|
Wake/Durham County Line
|
623487.9
|
660500
|
34
|
-0.0593629
|
TRMv6.2 Total Volume by Cutline
|
Cut_Line
|
Cutline
|
Total_Volume
|
Total_Counts
|
Count
|
PctDiff
|
|
Southwest Durham
|
1
|
218687.56
|
208500
|
9
|
0.0465850
|
|
Downtown Durham Loop
|
2
|
502879.52
|
548200
|
40
|
-0.0901219
|
|
Johnston County
|
4
|
315294.98
|
290390
|
31
|
0.0789895
|
|
Chatham County
|
5
|
42745.66
|
40600
|
5
|
0.0501960
|
|
North Raleigh
|
7
|
723814.37
|
744890
|
38
|
-0.0291175
|
|
Eastern Wake
|
8
|
466298.95
|
514800
|
37
|
-0.1040128
|
|
US-1 South
|
9
|
253017.13
|
257800
|
15
|
-0.0189033
|
|
North Wake
|
11
|
265991.52
|
249600
|
21
|
0.0616242
|
|
Along US 70
|
12
|
190236.92
|
227800
|
8
|
-0.1974542
|
|
Along I440E and W of I-40
|
13
|
388798.87
|
409900
|
13
|
-0.0542726
|
|
Chatham/Wake Line
|
14
|
63151.99
|
60370
|
9
|
0.0440524
|
|
Wake/Harnett Line
|
15
|
68517.06
|
54400
|
12
|
0.2060371
|
|
US 64 East
|
16
|
43101.54
|
36400
|
9
|
0.1554827
|
|
Durham/Orange Line
|
17
|
356132.96
|
328880
|
23
|
0.0765247
|
TRMG2 Total Volume by Screenline and Cutline
|
Screen_Line
|
ScreenlineNum
|
Total_Volume
|
Total_Counts
|
Count
|
PctDiff
|
Type
|
|
Wake/Harnett Line
|
1
|
87572.97
|
74580
|
22
|
0.1483673
|
Screen
|
|
Wake/Johnston Line
|
2
|
292293.58
|
244950
|
32
|
0.1619727
|
Screen
|
|
Wake/Franklin
|
3
|
114286.73
|
106250
|
21
|
0.0703208
|
Cut
|
|
Wake/Durham
|
4
|
389170.25
|
393300
|
29
|
-0.0106117
|
Cut
|
|
Southern Durham/Chatham
|
5
|
61967.55
|
50400
|
6
|
0.1866711
|
Cut
|
|
Durham/Orange
|
6
|
375870.26
|
327600
|
25
|
0.1284227
|
Screen
|
|
Durham + Orange/Person
|
7
|
21941.43
|
23770
|
7
|
-0.0833389
|
Cut
|
|
Durham/Granville
|
8
|
63843.34
|
55500
|
4
|
0.1306846
|
Cut
|
|
Downtown Durham Loop
|
9
|
519814.68
|
518300
|
39
|
0.0029139
|
Cut
|
|
I-40
|
10
|
1430275.89
|
1374840
|
76
|
0.0387589
|
Cut
|
|
I-85
|
11
|
337677.77
|
367600
|
35
|
-0.0886118
|
Cut
|
VMT
MPO
TRMv6.2 Total VMT by MPO
|
MPO_Tag
|
Total_VMT
|
|
CAMPO
|
20215737
|
|
DCHC
|
6963718
|
|
None
|
4545159
|
|
Total
|
31724613
|
TRMG2 Total VMT by MPO
|
MPO_Tag
|
Total_VMT
|
|
CAMPO
|
36385516
|
|
DCHC
|
14649340
|
|
None
|
8731138
|
|
Total
|
59765995
|
County
TRMv6.2 Total Volume by County
|
COUNTY
|
Total_VMT
|
|
alamance
|
0.00
|
|
chatham
|
1199129.35
|
|
durham
|
4624497.74
|
|
franklin
|
1386899.91
|
|
granville
|
778593.59
|
|
harnett
|
1062841.60
|
|
johnston
|
3114046.71
|
|
nash
|
77695.71
|
|
orange
|
2367945.00
|
|
person
|
726642.31
|
|
wake
|
16232370.88
|
|
Total
|
31570662.79
|
TRMG2 Total Volume by County
|
County
|
Total_VMT
|
|
alamance
|
993303.3
|
|
chatham
|
1908876.6
|
|
durham
|
9896837.6
|
|
franklin
|
1562436.3
|
|
granville
|
1176954.3
|
|
harnett
|
1001411.4
|
|
johnston
|
5819437.0
|
|
nash
|
199840.0
|
|
orange
|
5146945.8
|
|
person
|
592546.6
|
|
wake
|
31202620.1
|
|
Total
|
59501209.1
|
FC_Group
TRMv6.2 Total Volume by Facility
|
FCGROUP_Tag
|
Total_VMT
|
|
Freeway
|
0
|
|
Local
|
2172837
|
|
Collector
|
2896243
|
|
Major Arterial
|
2968231
|
|
Minor Arterial
|
3624656
|
|
Total
|
11661968
|
TRMG2 Total Volume by Facility
|
HCMType
|
Total_VMT
|
|
Local
|
300293.9
|
|
TLHighway
|
329356.1
|
|
MajorCollector
|
330398.4
|
|
Collector
|
637499.6
|
|
MLHighway
|
980543.6
|
|
Arterial
|
2731105.3
|
|
MajorArterial
|
3177635.9
|
|
Freeway
|
11396671.1
|
|
Total
|
19883504.0
|
Transit
TRMv6.2 Total Transit Ridership by TOD
|
OPERATOR
|
Total_OP
|
Total_PK
|
Total
|
|
CAT
|
9899.0531
|
13954.4857
|
23853.5388
|
|
CHT
|
13394.6948
|
16401.7934
|
29796.4883
|
|
CTRAN
|
1189.5224
|
1407.4559
|
2596.9783
|
|
DATA
|
11359.4352
|
11927.1762
|
23286.6113
|
|
Duke
|
3715.8149
|
4301.9723
|
8017.7872
|
|
NCSU
|
7252.3925
|
4621.1928
|
11873.5852
|
|
OPT
|
325.1405
|
251.0703
|
576.2108
|
|
TTA
|
2793.9636
|
14240.5786
|
17034.5422
|
TRMG2 Total Transit Ridership by TOD
|
Agency
|
AM
|
MD
|
PM
|
NT
|
Total
|
|
Chapel Hill Transit
|
6316.585946
|
5778.59395
|
8539.814055
|
5899.50712
|
26534.501080
|
|
Chatham Transit
|
2.209048
|
0.00000
|
1.573097
|
0.00000
|
3.782145
|
|
Duke
|
2878.575769
|
2577.41527
|
3505.813238
|
2674.82429
|
11636.628570
|
|
GoCary
|
394.533364
|
652.47471
|
631.363632
|
627.44636
|
2305.818063
|
|
GoDurham
|
3353.605610
|
7191.61067
|
5607.917597
|
6150.10307
|
22303.236948
|
|
GoRaleigh
|
4432.955456
|
7506.93100
|
7744.810579
|
6272.74533
|
25957.442371
|
|
GoRaleigh/GoTriangle
|
137.381167
|
0.00000
|
247.138422
|
0.00000
|
384.519589
|
|
GoTriangle
|
4589.713367
|
2654.05478
|
7258.499514
|
2264.16985
|
16766.437513
|
|
NCSU Wolfline
|
3410.702171
|
3456.39717
|
3808.595557
|
3841.87703
|
14517.571935
|
|
Orange County Public Transit
|
24.042385
|
30.09061
|
8.247979
|
33.30049
|
95.681463
|